| Index | Waterloo | Illinois | National |
| Income per capita | $52,929 | $47,397 | $44,883 |
| Median household income | $104,918 | $88,967 | $81,333 |
| Median income owner occupied | $129,889 | $111,557 | $106,172 |
| Median income renter occupied | $57,180 | $52,117 | $52,080 |
| Median earnings male | $75,496 | $60,185 | $54,343 |
| Median earnings female | $54,321 | $40,368 | $38,439 |
| Unemployment rate | 2.3% | 6.6% | 4.9% |
| Poverty level | 3.1% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 8.4% | 8.4% |
| Manufacturing sector | 20.0% | 20.0% |
| Financial & insurance services | 4.4% | 4.4% |
| Wholesale & retail services | 14.1% | 14.1% |
| Public administration | 5.3% | 5.3% |
| Transportation, warehousing & utilities | 11.9% | 11.9% |
| Education, health & social services | 7.8% | 7.8% |
| Other | 25.5% | 25.5% |
| City | Population | Household Income | National Avg. |
| Grantwood Village, MO | 981 | $189,545 | 133.0% |
| Columbia, IL | 10,985 | $158,048 | 94.3% |
| Sunset Hills, MO | 8,664 | $150,918 | 85.6% |
| Crestwood, MO | 12,278 | $137,867 | 69.5% |
| Smithton, IL | 4,157 | $130,324 | 60.2% |
| Waterloo, IL | 10,746 | $104,918 | 29.0% |
| City | Population | Household Income | National Avg. |
| Little Canada, MN | 10,742 | $83,026 | 2.1% |
| Frederick, CO | 10,750 | $160,116 | 96.9% |
| Cusseta-Chattahoochee County, GA | 10,750 | $67,473 | 17.0% |
| Silverton, OR | 10,750 | $103,279 | 27.0% |
| Celina, OH | 10,741 | $75,623 | 7.0% |
| Waterloo, IL | 10,746 | $104,918 | 29.0% |